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* A second season episode is named "[[{{Cluedo}} Olivia. In the lab. With the revolver]]"
* There are a lot of shoutouts to famous scientists and science fiction authors.
* In one episode Charlie suggests that Olivia see psychiatrist [[WesternAnimation/DrKatzProfessionalTherapist Dr Katz]]. Must be some ComedyCentral watchers on staff.
* A conspiracy theorist in "The Road Not Taken" thinks that the entire Z.F.T. conspiracy is caused by "renegade Romulans from the future here to change the timeline" - [[spoiler:which is the exact plot of J.J. Abrams' Film/StarTrek movie.]] The actor who played the conspiracy theorist is Creator/ClintHoward, and he played a similar (read "exactly the same") character in an episode of ''Series/StarTrekDeepSpaceNine''.
* At one point a copy of Creator/ArthurCClarke's novel ''Childhood's End'' can be seen on a shelf; it now appears that [[spoiler:''Fringe'' shares similar overarching themes.]]
* [[spoiler:Leonard Nimoy as William Bell. Think about it.]]
* The pilot of is loaded with references to the movie ''Film/AlteredStates'' in the form of Dr. Walter Bishop's shady history as a MadScientist. Both Bishop and the Mad Scientist in the movie both combined powerful drugs with sensory deprivation tanks and are naive [[{{Cloudcuckoolander}} cloudcuckoolanders]] with bad social skills. Even their last names are similar, suggesting that Bishop's character might have been inspired in part by Eddie Jessop of ''AlteredStates.'' Furthermore, Amy Jessop in Season 2 has the same last name as Eddie Jessop. Considering Blair Brown is in the cast, this ''could'' count as a marginal case of ActorAllusion. That movie was cited as one of the show's influences.
* And finally in the season 2 premiere we have X-Files references! First, one character is shown to be watching ''Series/TheXFiles'' immediately before he dies. Later, a senator makes an in-show reference to "X-designated cases," implying that both the X Files (as in what Mulder and Scully investigated) and "The X-Files" (as in the TV show) exist in the Fringe verse.
* In 2x02, [[Series/{{House}} it's lupus.]]
* In Episode 1x07, Mitchel Loeb refers to "Agents Coscarelli and Scrimm," who are presumably named for horror director Don Coscarelli and actor Angus Scrimm. Scrimm starred as "The Tall Man" in Coscarelli's ''Phantasm'' series.
* [[Creator/HPLovecraft People turning to dust like in "Color Out Of Space"]].
* There's also Dunwich Hospital in the episode "Grey Matters" - and there's a Dr. West working there.
* ''WesternAnimation/TheSimpsons'' Pez dispenser.
* [[spoiler:[[Anime/CodeGeass Teenage sociopath who can control people]] [[Manga/DeathNote and make them kill themselves... "You don't really have a plan, do you?"]]]]
** [[Manga/DeathNote He didn't want to have to kill those cops and F.B.I. agents, they just got in the way...]]
* In "August", the Fringe team is shown [[Series/DoctorWho pictures from throughout history that show that one specific man has always been present at major historical events.]]
* David Robert Jones is the real name of Music/DavidBowie. Thomas Jerome Newton is Bowie's character (the alien) in ''TheManWhoFellToEarth''.
* Olivia's license plate reads [[Franchise/StarWars 1C3P01]].
** Along the same lines, she had the nickname "Han" in high school due to being a loner ("going solo").
* ''[[Film/{{Deliverance}} Da-da DA-duh-DA-duh-DA-duh-dun]]''
* The whole plot involving the time traveler in "White Tulip" is essentially the plot of Ludo's RockOpera "The Broken Bride".
* Alternate Olivia's ringtone is [[Film/TheRockyHorrorPictureShow "Science Fiction Double Feature"]].
* Astrid ''Farnsworth'' might be a WesternAnimation/{{Futurama}} shout out, or it might be a shout out to [[OlderThanTheyThink the real Farnsworth.]]* Almost certainly the latter...by extension if nothing else, since WesternAnimation/{{Futurama}}'s Farnsworth is a ShoutOut to the good Dr. Philo.
* In 2x13 ("What Lies Below") the CDC shows Olivia a model for what would happen in the disease were allowed to spread. It shows it spreading over the whole world with infected areas in red and non-infected in black. Eventually the whole map is red...[[VideoGame/{{Pandemic}} with the sole exception of Madagascar]].
* William ''Bell'' and ''Thomas'' Henry ''Newton''.
* A doctor in "The Plateau" mentions "[[VideoGame/MetalGearSolid nootropics]]". Olivia promptly pipes up "[[ParrotExposition Smart drugs, right?]]"
* [[Theatre/RomeoAndJuliet After failing to take the identity of a Daniel Verona, a man takes a pill to fake his death.]]
* The Fringe team finds that someone has dug something up out of a hole in a basement. [[Literature/{{Discworld}} Walter thinks it would be delightful were it a box with tiny legs that got up and ran away.]]
** Speaking of which, here's a somewhat far-fetched one from "Jacksonville"...[[http://img44.imageshack.us/img44/1284/trousersoftime.jpg This is one Ted Pratchett.]] Could this be a really twisted double allusion to the "trousers of time" theory? (Warning: the image is fairly [[BodyHorror disturbing]].)
** It could be a reference to [[http://home.earthlink.net/~rkkman/frames/imagepage/P-B1_merge.jpg this scene]] from ''ComicBook/{{Planetary}} / Franchise/{{Batman}}: Night on Earth''.
* The glasses Walter wears in "The Firefly" are said to have been made by a friend of Walter's, a [[Series/TwinPeaks Dr. Jacoby from Washington state]] (who wore similar glasses in that show).
* "The Series/{{Firefly}}" was the first episode in the FridayNightDeathSlot.
* "6B" has Walter [[Theatre/RosencrantzAndGuildensternAreDead flipping a coin that always lands on heads.]] The hotel where this takes place [[LampshadeHanging is even named the Rosencrantz.]]
* Young Peter in "Subject 13" is seen looking at an original series ''Series/{{Battlestar Galactica|Classic}}'' board game.
* In the second episode of season one, [[spoiler: supersoldiers are grown from test tubes?]] Sounds like ''Series/SpaceAboveAndBeyond'', another FridayNightDeathSlot show.
* William Bell (played by Leonard Nimoy) used the alias "Dr. Paris" to operate on Walter. Leonard Nimoy's character in the original TV series ''Series/MissionImpossible'' was called "The Great Paris."
* Another Cortexiphan trial patient is identified as [[Creator/JamesCameron Cameron James]]
* Walter names a lab mouse John. This doesn't seem notable, until he reveals -- literally; he'd turned it invisible -- that he has a ''second'' mouse: [[Music/JohnLennon Yo]][[Music/YokoOno ko]].
* Amberverse David Robert Jones shows us the [[BulletCatch advantages]] of having one's body [[ComicBook/{{Watchmen}} dismantled and reassembled at the atomic level]].
* The creepy town of Westfield in "Welcome to Westfield" contains multiple references, including ''Franchise/SilentHill'', ''Series/TheWalkingDead'', and ''Film/TheCrazies''.
* The victim from "Dream Logic" dies of acute exhaustion. He's from [[Film/SleeplessInSeattle Seattle.]] Coincidence? [[StealthPun I think not.]]
* At a crucial point in "Black Blotter", Walter goes on an acid trip that looks almost exactly like a Creator/TerryGilliam interstitial from ''Series/MontyPythonsFlyingCircus'', complete with giant foot.
* Two undercover NSA agents named [[Franchise/{{Alien}} Hicks]] and [[Film/TwoThousandOneASpaceOdyssey Bowman]]?
* In order to get on Markham's good side in the rewritten timeline, Peter tells him that Olivia is looking for a copy of Creator/GeneWolfe's ''[[Literature/BookOfTheLongSun Lake of the Long Sun]]''.
* From ''The Cure'' ([=S1E06=]): "[[Series/{{BreakingBad}} White is for Walter]]".
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